The 3 Original Coffee Varieties Explained

Ever wondered why nearly every high-quality coffee you’ve ever tasted tastes nothing like instant? Or why some beans grow only at altitude while others thrive in harsh lowlands? The reason comes down to the plant—three original coffee species supply almost all the world’s coffee, and each behaves very differently. If you’ve ever asked what makes Arabica taste better or why Robusta ends up in your instant pack, this is the guide that breaks it down by origin, growing conditions, and flavour impact.

There are three original coffee species responsible for nearly all the coffee in the world: Arabica (70% of production), Robusta (20–30%), and Liberica (less than 5%). Arabica delivers the complex flavours we associate with specialty coffee, Robusta is bitter and sturdy, and Liberica is rare, pungent, and mainly grown in West Africa and parts of South America.

What Is Arabica Coffee and Why Does It Dominate?

Arabica (Coffea arabica) is the most important coffee species in the world. It originated in Ethiopia and now makes up around 70% of global coffee production. Almost every well-known specialty coffee variety—like Typica, Bourbon, and their descendants (including Geisha and SL28)—comes from Arabica. Its beans are known for higher acidity, complex aromas, and a smoother cup compared to other species.

Arabica plants prefer high altitudes between 500 and 2,000 metres above sea level, with large day-night temperature variations, low humidity, and well-drained soils. The higher the elevation, generally the better the cup quality—but this also makes Arabica more vulnerable to pests and diseases. That sensitivity is part of why it demands careful farming and produces a smaller yield than the tougher Robusta.

What Makes Robusta Different—and Why Do We Still Grow It?

Robusta (Coffea canephora), which originated in the Congo region of Africa, accounts for approximately 20–30% of the world’s coffee. Unlike Arabica, Robusta thrives at low altitudes—below 500 metres—and is far more resilient. It tolerates poor soils, extreme weather, and resists many pests and diseases. This makes it much easier and cheaper to cultivate, often with minimal human intervention.

However, the trade-off is taste. Robusta beans produce a harsher, more bitter cup with stronger caffeine content and a less nuanced flavour profile. Due to these traits, Robusta is typically used in instant coffee and some espresso blends where body and crema are prioritised over complexity. It’s also the dominant coffee consumed in many parts of Africa, simply because it grows more reliably there.

Why Is Liberica So Rare?

Liberica (Coffea liberica), originating in Liberia, makes up less than 5% of global production—and its rarity is no accident. It has a shorter cultivation history compared to Arabica and Robusta and is grown in only a few places, including Liberia, Suriname, and Guyana. The plant does well in lowland areas but produces a coffee with an extremely strong aroma and bitterness that divides palates.

Liberica’s unique flavour profile and the difficulty of cultivating it at scale have kept it from becoming mainstream. Though not widely available, it remains part of coffee’s botanical diversity and has historical significance in certain regions where other species failed.

How These Three Species Shape Your Coffee Experience

The reason you see mostly Arabica in specialty coffee shops comes down to its flavour potential, growing challenges, and market demand. Robusta plays a critical role in price-sensitive and function-focused products like instant coffee. Liberica, though rare, contributes to the genetic diversity of coffee and occasionally appears in heritage markets. Each species was shaped by its environment, and those differences still dictate where and how coffee is grown—and ultimately, how it tastes in your cup.

Frequently Asked Questions

Which coffee species makes up the majority of the world’s coffee?

Arabica makes up about 70% of the world’s coffee production. It is the dominant species in specialty coffee due to its preferred flavour characteristics and wide genetic variety.

What percentage of coffee is Robusta, and where is it mainly grown?

Robusta accounts for approximately 20–30% of global coffee production. It is mainly grown in low-altitude regions of Africa, Southeast Asia, and Brazil, and is commonly used in instant coffee and espresso blends for its strong, bitter profile and high caffeine content.

Why is Liberica so uncommon in the coffee market?

Liberica makes up less than 5% of global coffee production. It is rarely cultivated because it has a limited growing region (mainly Liberia, Suriname, and Guyana), a strong and polarising flavour, and a shorter history of commercial development compared to Arabica and Robusta.

Does altitude affect which coffee species can be grown?

Yes. Arabica thrives at higher altitudes (500–2,000m), where cooler temperatures and larger diurnal shifts improve quality. Robusta grows better at lower altitudes (under 500m) and is more adaptable to harsh conditions. Liberica also grows at low elevations but is limited by other factors like market demand and flavour profile.

Which coffee species is considered higher quality?

Arabica is generally considered higher quality due to its complex flavours, higher acidity, and wider range of desirable tasting notes. Robusta is seen as more bitter and less nuanced, while Liberica is rare and polarising in flavour.

Are there other coffee species besides Arabica, Robusta, and Liberica?

Arabica, Robusta, and Liberica are the three primary species that make up nearly all global coffee production. There are other minor species (like Excelsa, now often classified under Liberica), but they are not commercially significant.

Recommended FrontStreet Coffee for Single-Origin Exploration

For exploring the qualities of top Arabica varieties, try FrontStreet Coffee’s Ethiopia Yirgacheffe for floral and citrus notes, or their Colombia Huila for balanced caramel and berry tones. Both highlight the complexity Arabica is known for. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.